JUSTPRO JSPMINIPRO Guitar Amplifier Instructions
- June 15, 2024
- JUSTPRO
Table of Contents
MD-MINI PROPRODUCT INSTRUCTIONS
PRODUCT FEATURES:
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MASTER: Total volume.
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A-CLEAN: Voiceless sound.
B-OVERDRIVE: Overload.
C-DISTORTION: Distortion. -
BASS: Bass frequency level control.
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TREBLE: Treble frequency level control.
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FX Volume:
(1) .R-ROOM/R-HALL:Adjust the reverberation volume of R-ROOM in the first half; Adjust R-HALL reverb volume in the second half.
(2) .CHORUS/DELAY: The first half of the CHORUS- chorus volume adjustment; Second half adjustment DELAY- Delay volume. -
POWER:
(1). Power on: Long press the power button for 2 seconds to power on. The power indicator on the button is on.
(2) .Turn on Bluetooth: When the speaker is on, press the power button to turn on Bluetooth, the Bluetooth indicator will shine, and the Bluetooth indicator will keep on after the pairing is successful. Press the power button again, turn off Bluetooth, and the Bluetooth indicator is off.
(3) .Bluetooth audio connection: After Bluetooth is turned on, the Bluetooth function of the mobile phone can be used to pair with the speaker to play audio. When Bluetooth audio is played, only the main volume knob can adjust the volume, and other knobs are invalid for Bluetooth audio.
(4) .Power off: Hold down the power button for 2 seconds to power off. -
HEADPHONE:
(1) .Headset playback function: Use four-core 3.5 audio plug headphones, you can mute the speaker practice.
(2) .Recording function: The wireless recording transmitter is inserted into the headphone jack.
At this time, the wireless recording signals are transmitted, but the speaker is shielded. Tap the power button twice, and the recording and the speaker work at the same time. -
AUX/REC:
(1) .External audio line input: the use of 3.5 four-core audio cable, you can press Mp3, mobile phone and other audio devices, can play with electric guitar audio at the same time, external audio line input, only the main volume knob can adjust the volume, other knob external audio is invalid.
(2) .Wired record output: Open the mobile phone recorder function, use 3.5 four-core audio cable, recording box can do wired recording. -
INPUT: Electric guitar audio input: The 6.35 audio cable is used to connect the electric guitar to the speaker, the volume knob can adjust the volume, the high and low bass knobs can adjust the high and low timbre of the electric guitar audio, the large and small reverb knobs can add the reverb effect, the chorus and delay knobs can add the chorus and echo sound effect, the three-gear switch can switch the acoustic, overload and distorted playing sound effects of the electric guitar.
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DC-5V: Charging: The 5V1A charging head can be used to charge the speaker, the charging indicator is on when charging, and the charging indicator is off when it is full.
ELECTRICAL PERFORMANCE:
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Audio:
Speaker unit :4 “full frequency speaker 8R 5W1KHz Sensitivity: 110db(+-3db)
Frequency Response: 20Hz~20KHz
Distortion Degree:<1%
Rated Power: 5W
Audio Signal-to-noise Ratio:>90dB -
Bluetooth:
Bluetooth Solution: Jerry
Bluetooth Version: Bluetooth V5.0
Frequency Range: 2.402GHz-2.480GHz
Communication Distance: Straightline >=10m
Support System: Android/iSO/Windows
Transmission Power: Class 2 max. 4dBm
Pairing Name: MINGS-BT -
Speaker Playback Time And Charging Performance
Continuous Play Time: >3H
Charging Time: <3H
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BATTERIES
Volume: 18650 with protective plate
Type: Lithium-ion secondary battery
Rated Voltage: 3.7V
Rechargeable Times: >500 times
Nominal capacity :2000mAH
Quantity: 1 section
Safety Performance -
Charge And Discharge Performance
Discharge Performance: When the battery voltage is less than 3.3V, the power indicator blinks slowly, indicating that the battery is insufficient.
When the battery voltage is less than 3V, the power indicator blinks quickly, and the battery automatically shuts down after 60 seconds.
Charging Performance: When the battery voltage is charged to 4.2V+0.05V, the charging indicator is off.
Electrical Performance
The speaker can work normally at 0°C -40°C
The speaker can work normally when the humidity is 86%RH
Mechanical Property
The input TYPE-C USB port, the input 6.35 audio port and the output audio port
can work normally after 2000 times of insertion and removal.
The power button and the knobs can work normally after 30000 switches or
100000 knobs.
Structural Performance
The speaker withstands vibration amplitude of 1.6mm; The vibration frequency
is 10Hz~55Hz, and the change is 1Hz every minute. After 30 minutes of
vibration in the three directions of X.Y.Z, it can work normally.
The speaker can work normally after being subjected to 1.6m surface and
falling 6 times on the concrete floor. The structure and appearance of the
speaker are not abnormal.
Matters needing attention
During charging or normal operation, the machine heats up slightly, which
is a normal phenomenon.
When cleaning the machine, turn off the power supply and disconnect all
external power connections.
Use an antistatic cloth to clean and wipe the entire machine. Do not use
chemical substances (such as alcohol and benzene), chemical detergent, or
abrasive cleaning agent.
Please keep this product as dry as possible and do not use this unit in an
overly humid environment.
Please use the accessories approved by the company, do not disassemble the
machine without authorization, otherwise you can not enjoy the company’s free
warranty service.
Safety warnings and prohibitions
.For correct and safe use, please read this safety notice carefully
.Inthe place where the use of radio equipment is prohibited or the use of
the machine will cause interference and safety risks of other electronic
equipment, please turn off the power supply of the machine.
.In places marked with inflammable and explosive signs, please do not use
the machine and turn off the power supply of the machine.
.The machine will explode when thrown into the fire. Do not throw the
machine into the fire.
This speaker is specially equipped for electric guitar, with lightweight and
portable characteristics, can be used inindoor and outdoor performance, with
rich timbre and sound adjustment, as well as Bluetooth sound performance
function. The headset playback function can be used for quiet practice, which
can be used by professionals or enthusiasts.
FCC statement
This device complies with part 15 of the FCC rules. Operation is subject to
the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.
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